Keystones — Bedrock
Five GCSE retrieval questions · 12 August 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 8 + (-4)
Answer: 4 -
2. Algebra
Find the next term: 22, 28, 34, 40, ...
Answer: 46 -
3. Geometry
Opposite = 13cm, hypotenuse = 15cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 50% of 37
Answer: 18.5 -
5. Statistics
Find the mean of: 5, 15, 19
Answer: 13